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Table 3 Reasons and questions that call for mixing methods to examine feasibility domains

From: Applying mixed methods to pilot feasibility studies to inform intervention trials

Common reasons for mixing methods

Example mixed methods data integration questions

General examples

Specific examples

Triangulation: need to compare quantitative and qualitative evidence to identify areas of corroboration and dissonance to inform a robust decision about feasibility

To what extent and in what ways is (domain of concern) feasible?

How do participant ratings of intervention acceptability compare to what they say about their satisfaction with the intervention?

Completeness: need to synthesize quantitative and qualitative information about different facets of feasibility to develop a comprehensive understanding of feasibility

What is the feasibility in terms of (domain of concern) and what barriers need to be addressed?

What recruitment barriers are identified when recruitment rates are combined with participants’ experience of the recruitment process?

Explanation: need to interconnect quantitative and qualitative information to uncover and explain differences in feasibility for subgroups or contexts

Does (domain of concern) differ for (subgroups or contexts of interest) and, if so, why?

What are intervention fidelity ratings by study site and why are ratings high, average, and/or low?

  1. Reasons for mixing methods based on “Bryman A. Integrating quantitative and qualitative research: how is it done? Qualitative Research. 2006; 6(1):97-113” and “Greene JC, Caracelli VJ, Graham WF. Toward a Conceptual Framework for Mixed-Method Evaluation Designs. Educational Evaluation and Policy Analysis. 1989; 11(3):255-74”